A step-by-step quick start to help you make your first authenticated request, validate connectivity, set up webhooks, and understand the key error patterns before you begin full integration work.
This page has moved
The Direct Debit integration quick start now lives at Integration quick start. This page is retained only so existing links keep working.
Where to start instead
Introduction — what the API covers, environments and which version to build against
Authentication — obtaining and refreshing a bearer token